Web Services Review

Web Services Description Language, provides a basic model of web services with it defining services as a collection of endpoints on the network. It employs XML based formats for use. It is mostly combined with SOAP and the XML schema where in the WSDL file is embedded with XML schema which is then used by the client through SOAP to do the actual work of calling the function listed in the WSDL file.
Xlang an extension that was developed for WSDL to describe an extension of a business process thus making it faster than the original format.